254c5ccbce59ad882f7f51d0bf760cabde8c88c5af84e13cc8ad77ba0361055c

Analysis

max time kernel
149s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
05/08/2026, 12:20

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General

Target
$PLUGINSDIR/InstallOptions.dll
Size 14KB
Sample260805-ph8kdaag89
SHA256 254c5ccbce59ad882f7f51d0bf760cabde8c88c5af84e13cc8ad77ba0361055c
MD5 046074d285897c008499f7f3ad5be114
SHA1 159040d616a056ee3498ec86debab58ef5036a55
SHA512 ab7436fda44e340dd5909ddec809c6b569a90d888529ef9320375e1aae7af85afcab8c1c1618551d3fe8d6ae727f7dca97aa8781b5555da759d501d2ccd749e1
SSDEEP 192:+Gs+dH4+oQOTgDbzuNfrigyULWsXXZF/01JJijqK72dwF7dBEnbok:+GvdH4qMebzPY2Vijq+BEnbo
TLSH
T1CE623B51638888F3DBD6013EB4533707AB595126B4925DE2CB271FCA6D3B18E3EB2346
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4808	4196	WerFault.exe	87

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4968 wrote to memory of 4196	4968	rundll32.exe	87

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4968
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\InstallOptions.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4196
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4196 -s 636
    3⤵
    - Program crash
    PID:4808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4196 -ip 4196
1⤵
PID:2676

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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